The Genetics of Gilles de la Tourette Syndrome: a Common Aetiological Basis with Comorbid Disorders?

Purpose of Review Gilles de la Tourette syndrome (TS) is a childhood-onset neurodevelopmental disorder characterized by multiple motor and vocal tics, commonly associated with attention deficit hyperactivity disorder (ADHD), obsessive–compulsive disorder (OCD) and autism spectrum disorders (ASDs). Here, we summarize and discuss evidence pointing to a shared genetic basis among TS, OCD, ADHD and ASD.